From b885352724fe590669b46d514276cd01901d37d5 Mon Sep 17 00:00:00 2001
From: gorhill <rhill@raymondhill.net>
Date: Fri, 9 Oct 2015 10:24:48 -0400
Subject: [PATCH] this fixes bad code review

---
 platform/firefox/vapi-background.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/firefox/vapi-background.js b/platform/firefox/vapi-background.js
index 5f3fce4d5..7038afb8f 100644
--- a/platform/firefox/vapi-background.js
+++ b/platform/firefox/vapi-background.js
@@ -533,7 +533,7 @@ var getTabBrowser = (function() {
 
     if ( vAPI.thunderbird ) {
         return function(win) {
-            win.document.getElementById('tabmail');
+            return win.document.getElementById('tabmail') || null;
         };
     }